女,42岁,无痛性肉眼血尿伴血块2年,尿中找到癌细胞。
首先考虑下列哪一项肿瘤()
A.肾癌
B.肾盂癌
C.膀胱癌
D. * * 癌
E.肾母细胞瘤
参考答案:C
Which of the following statements describe(s) the properties of a purely segmented memory system Ⅰ.It divides memory into units of equal size Ⅱ.It permits implementation of virtual memory Ⅲ.It suffers from internal fragmentation
A. Ⅰ only
B. Ⅱ only
C. Ⅲ only
D. Ⅰand Ⅲ
商业大街废物箱设置间隔为()。
A.25-50m
B.50m
C.50-80m
D.80m以上